ViaVersion/common/src/main/java/com/viaversion/viaversion/protocols/protocol1_11to1_10/metadata/MetadataRewriter1_11To1_10....

248 lines
10 KiB
Java

/*
* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
* Copyright (C) 2016-2021 ViaVersion and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.viaversion.viaversion.protocols.protocol1_11to1_10.metadata;
import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
import com.viaversion.viaversion.api.Via;
import com.viaversion.viaversion.api.connection.UserConnection;
import com.viaversion.viaversion.api.minecraft.entities.Entity1_11Types;
import com.viaversion.viaversion.api.minecraft.entities.Entity1_11Types.EntityType;
import com.viaversion.viaversion.api.minecraft.item.Item;
import com.viaversion.viaversion.api.minecraft.metadata.Metadata;
import com.viaversion.viaversion.api.minecraft.metadata.types.MetaType1_9;
import com.viaversion.viaversion.rewriter.MetadataRewriter;
import com.viaversion.viaversion.api.type.Type;
import com.viaversion.viaversion.protocols.protocol1_11to1_10.EntityIdRewriter;
import com.viaversion.viaversion.protocols.protocol1_11to1_10.Protocol1_11To1_10;
import com.viaversion.viaversion.protocols.protocol1_11to1_10.storage.EntityTracker1_11;
import java.util.List;
import java.util.Optional;
public class MetadataRewriter1_11To1_10 extends MetadataRewriter {
public MetadataRewriter1_11To1_10(Protocol1_11To1_10 protocol) {
super(protocol, EntityTracker1_11.class);
}
@Override
protected void handleMetadata(int entityId, com.viaversion.viaversion.api.minecraft.entities.EntityType type, Metadata metadata, List<Metadata> metadatas, UserConnection connection) {
if (metadata.getValue() instanceof Item) {
// Apply rewrite
EntityIdRewriter.toClientItem((Item) metadata.getValue());
}
if (type == null) return;
if (type.is(EntityType.ELDER_GUARDIAN) || type.is(EntityType.GUARDIAN)) { // Guardians
int oldid = metadata.getId();
if (oldid == 12) {
metadata.setMetaType(MetaType1_9.Boolean);
boolean val = (((byte) metadata.getValue()) & 0x02) == 0x02;
metadata.setValue(val);
}
}
if (type.isOrHasParent(EntityType.ABSTRACT_SKELETON)) { // Skeletons
int oldid = metadata.getId();
if (oldid == 12) {
metadatas.remove(metadata);
}
if (oldid == 13) {
metadata.setId(12);
}
}
if (type.isOrHasParent(EntityType.ZOMBIE)) { // Zombie | Zombie Villager | Husk
if (type.is(EntityType.ZOMBIE, EntityType.HUSK) && metadata.getId() == 14) {
metadatas.remove(metadata);
} else {
if (metadata.getId() == 15) {
metadata.setId(14);
} else {
if (metadata.getId() == 14) {
metadata.setId(15);
}
}
}
}
if (type.isOrHasParent(EntityType.ABSTRACT_HORSE)) { // Horses
// Remap metadata id
int oldid = metadata.getId();
if (oldid == 14) { // Type
metadatas.remove(metadata);
}
if (oldid == 16) { // Owner
metadata.setId(14);
}
if (oldid == 17) { // Armor
metadata.setId(16);
}
// Process per type
if (type.is(EntityType.HORSE)) {
// Normal Horse
} else {
// Remove 15, 16
if (metadata.getId() == 15 || metadata.getId() == 16) {
metadatas.remove(metadata);
}
}
if (type.is(EntityType.DONKEY, EntityType.MULE)) {
// Chested Horse
if (metadata.getId() == 13) {
if ((((byte) metadata.getValue()) & 0x08) == 0x08) {
metadatas.add(new Metadata(15, MetaType1_9.Boolean, true));
} else {
metadatas.add(new Metadata(15, MetaType1_9.Boolean, false));
}
}
}
}
if (type.is(EntityType.ARMOR_STAND) && Via.getConfig().isHologramPatch()) {
Metadata flags = getMetaByIndex(11, metadatas);
Metadata customName = getMetaByIndex(2, metadatas);
Metadata customNameVisible = getMetaByIndex(3, metadatas);
if (metadata.getId() == 0 && flags != null && customName != null && customNameVisible != null) {
byte data = (byte) metadata.getValue();
// Check invisible | Check small | Check if custom name is empty | Check if custom name visible is true
if ((data & 0x20) == 0x20 && ((byte) flags.getValue() & 0x01) == 0x01
&& !((String) customName.getValue()).isEmpty() && (boolean) customNameVisible.getValue()) {
EntityTracker1_11 tracker = connection.get(EntityTracker1_11.class);
if (!tracker.isHologram(entityId)) {
tracker.addHologram(entityId);
try {
// Send movement
PacketWrapper wrapper = new PacketWrapper(0x25, null, connection);
wrapper.write(Type.VAR_INT, entityId);
wrapper.write(Type.SHORT, (short) 0);
wrapper.write(Type.SHORT, (short) (128D * (-Via.getConfig().getHologramYOffset() * 32D)));
wrapper.write(Type.SHORT, (short) 0);
wrapper.write(Type.BOOLEAN, true);
wrapper.send(Protocol1_11To1_10.class);
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
}
}
@Override
protected com.viaversion.viaversion.api.minecraft.entities.EntityType getTypeFromId(int type) {
return Entity1_11Types.getTypeFromId(type, false);
}
@Override
protected com.viaversion.viaversion.api.minecraft.entities.EntityType getObjectTypeFromId(int type) {
return Entity1_11Types.getTypeFromId(type, true);
}
public static EntityType rewriteEntityType(int numType, List<Metadata> metadata) {
Optional<EntityType> optType = EntityType.findById(numType);
if (!optType.isPresent()) {
Via.getManager().getPlatform().getLogger().severe("Error: could not find Entity type " + numType + " with metadata: " + metadata);
return null;
}
EntityType type = optType.get();
try {
if (type.is(EntityType.GUARDIAN)) {
// ElderGuardian - 4
Optional<Metadata> options = getById(metadata, 12);
if (options.isPresent()) {
if ((((byte) options.get().getValue()) & 0x04) == 0x04) {
return EntityType.ELDER_GUARDIAN;
}
}
}
if (type.is(EntityType.SKELETON)) {
// WitherSkeleton - 5
// Stray - 6
Optional<Metadata> options = getById(metadata, 12);
if (options.isPresent()) {
if (((int) options.get().getValue()) == 1) {
return EntityType.WITHER_SKELETON;
}
if (((int) options.get().getValue()) == 2) {
return EntityType.STRAY;
}
}
}
if (type.is(EntityType.ZOMBIE)) {
// ZombieVillager - 27
// Husk - 23
Optional<Metadata> options = getById(metadata, 13);
if (options.isPresent()) {
int value = (int) options.get().getValue();
if (value > 0 && value < 6) {
metadata.add(new Metadata(16, MetaType1_9.VarInt, value - 1)); // Add profession type to new metadata
return EntityType.ZOMBIE_VILLAGER;
}
if (value == 6) {
return EntityType.HUSK;
}
}
}
if (type.is(EntityType.HORSE)) {
// SkeletonHorse - 28
// ZombieHorse - 29
// Donkey - 31
// Mule - 32
Optional<Metadata> options = getById(metadata, 14);
if (options.isPresent()) {
if (((int) options.get().getValue()) == 0) {
return EntityType.HORSE;
}
if (((int) options.get().getValue()) == 1) {
return EntityType.DONKEY;
}
if (((int) options.get().getValue()) == 2) {
return EntityType.MULE;
}
if (((int) options.get().getValue()) == 3) {
return EntityType.ZOMBIE_HORSE;
}
if (((int) options.get().getValue()) == 4) {
return EntityType.SKELETON_HORSE;
}
}
}
} catch (Exception e) {
if (!Via.getConfig().isSuppressMetadataErrors() || Via.getManager().isDebug()) {
Via.getPlatform().getLogger().warning("An error occurred with entity type rewriter");
Via.getPlatform().getLogger().warning("Metadata: " + metadata);
e.printStackTrace();
}
}
return type;
}
public static Optional<Metadata> getById(List<Metadata> metadatas, int id) {
for (Metadata metadata : metadatas) {
if (metadata.getId() == id) return Optional.of(metadata);
}
return Optional.empty();
}
}